Schaefer, R. T. (2001). Race and ethnicity in the United States (2nd ed.). Prentice Hall.
Chicago Style (17th ed.) CitationSchaefer, Richard T. Race and Ethnicity in the United States. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 2001.
MLA引文Schaefer, Richard T. Race and Ethnicity in the United States. 2nd ed. Prentice Hall, 2001.
警告:這些引文格式不一定是100%准確.